It's no secret that Arizona Cardinals rookie wideout Marvin Harrison Jr. hasn't exactly lived up to expectations in year one.

Marvin Harrison Jr. delivers an underwhelming performance ... “He's a really good kid; he works really hard. He's continuing to put good things on tape every week.” Added Murray ...

ATLANTA — Arch Manning and Marvin Harrison Jr. aren’t best friends ... You’d think the kids would have gotten tight during pickup games at Colts reunions or Hall of Fame celebrations ...

Cardinals WR Coach Gets Honest on Marvin Harrison Jr. The Arizona Cardinals are not worried about Marvin Harrison Jr. - just ...

ATLANTA — Arch Manning and Marvin Harrison Jr. aren’t best friends. Not that they should be. Manning grew up in New Orleans.

ATLANTA — Arch Manning and Marvin Harrison Jr. aren’t best friends. Not that they should be. Manning grew up in New Orleans. Harrison is from Philadelphia. Manning is a freshman at Texas.